java.lang.NullPointerException
# Makefile rules for the cvec package
java.lang.NullPointerException

timingflag = @FERRET_TIMING@
checkflag = -DDEBUG_LEVEL=@FERRET_CHECK@
printflag = -DDEBUG_PRINT_LEVEL=@FERRET_PRINT@

KEXT_NAME = ferret
KEXT_SOURCES = src/cppmapper.cc src/ferret.cc
KEXT_LDFLAGS = -lstdc++
KEXT_CXXFLAGS = $(timingflag) $(checkflag) \
    -std=gnu++14 \
    -Wall \
    -Wextra \
    -Wno-implicit-fallthrough \
    -Wno-unused-parameter \
    -Wno-missing-field-initializers \
    -g \
    -IYAPB++/source \
    -Igap_cpp_headers

KEXT_USE_AUTOCONF = 1

# include shared GAP package build system
GAPPATH = @GAPROOT@
include Makefile.gappkg

symmetry_detect: .FORCE
 @CXX@ $(KEXT_CXXFLAGS) \
     YAPB++/simple_graph/symmetry_detect.cc \
     YAPB++/simple_graph/symmetry_parse.cc \
     YAPB++/simple_graph/gason/gason.cpp \
     YAPB++/simple_graph/simple_graph.cc \
     YAPB++/simple_graph/simple_parser.cc \
     $(timingflag) $(checkflag) $(OPT) $(printflag) \
     -I YAPB++/source \
     -o $@

all: ferret.vars
ferret.vars: ferret.vars.in config.status
 ./config.status $@

.FORCE:
.PHONY: .FORCE